imgSnap
Usage
rval imgSnap(SESSION_ID sid, void** bufAddr);
Purpose
Acquires a single image.
Parameters
| Name | Type | Direction |
| sid | SESSION_ID | input |
| bufAddr | void** | input/output |
| rval | Int32 | output |
Parameter Discussion
sid: valid SESSION_ID.
bufAddr: pointer to a pointer to an area of memory in which to store the image. If bufAddr points to a NULL pointer, this call allocates a buffer, acquires an image, and returns the buffer address in the location specified by bufAddr. If bufAddr points to a non-NULL pointer, this function acquires into that buffer.
Return Value
This function returns 0 on success. On failure, this function returns an error code. For information about the error code, call imgShowError.